Open in AppCenter
You can view and install this app from AppCenter on elementary OS, or you can preview the listing here.
A task manager to help you keep track of the tasks that matter most.
Sometimes, you just need a task list to keep you motivated. Agenda provides a way to write down your tasks and tick them off as you complete them. The list is saved automatically, so you can close the list to get it out of the way without losing your place.